2021119989

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 3271311360

約数和(自身を除く): 1250191371

約数列:

[1, 3, 7, 21, 31, 59, 93, 101, 177, 217, 303, 413, 521, 651, 707, 1239, 1563, 1829, 2121, 3131, 3647, 5487, 5959, 9393, 10941, 12803, 16151, 17877, 21917, 30739, 38409, 41713, 48453, 52621, 65751, 92217, 113057, 125139, 157863, 184729, 215173, 339171, 368347, 554187, 645519, 952909, 1105041, 1293103, 1631251, 2858727, 3104639, 3879309, 4893753, 6670363, 9313917, 11418757, 20011089, 21732473, 34256271, 65197419, 96243809, 288731427, 673706663, 2021119989]

約数ペア:

[(1, 2021119989), (3, 673706663), (7, 288731427), (21, 96243809), (31, 65197419), (59, 34256271), (93, 21732473), (101, 20011089), (177, 11418757), (217, 9313917), (303, 6670363), (413, 4893753), (521, 3879309), (651, 3104639), (707, 2858727), (1239, 1631251), (1563, 1293103), (1829, 1105041), (2121, 952909), (3131, 645519), (3647, 554187), (5487, 368347), (5959, 339171), (9393, 215173), (10941, 184729), (12803, 157863), (16151, 125139), (17877, 113057), (21917, 92217), (30739, 65751), (38409, 52621), (41713, 48453)]